You have a class ChristmasTree and its inner class TreeTopper. Both classes have members named color.
In the class TreeTopper, create a function sparkle() that prints the message The sparkling <topper color> tree topper looks stunning on the <tree color> Christmas tree!
For a green Christmas tree with a silver tree topper, the output of the sparkle function should be:
The sparkling silver tree topper looks stunning on the green Christmas tree!
In the class ChristmasTree, сreate a function putTreeTopper() that takes one parameter color: String. In this function, you should create an instance of an inner class with the color parameter and then call the function sparkle of the instantiated TreeTopper.